Then he went down on the ground on his hands and knees 在his hands前为什么要用on?
问题描述：
Then he went down on the ground on his hands and knees 在his hands前为什么要用on?
答
这句话可以这样翻译为：然后他就倒在地上,用手和膝盖撑着身体.这个on 有支撑,凭借的意思.